<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity {
    private $_id;

    /**
     * Authenticates a user.
     * @return boolean whether authentication succeeds.
     */
    public function authenticate() {
        $user=User::model()->find('LOWER(email)=?',array(strtolower($this->username)));
        if($user===null) {
            $this->errorCode=self::ERROR_USERNAME_INVALID;
        } else if(!$user->validatePassword($this->password)) {
            $this->errorCode=self::ERROR_PASSWORD_INVALID;
        } else {
            $this->_id=$user->user_oid;
            $this->username=$user->email;

            Generic::assignAllRoles($user,$this->_id);

            $this->errorCode=self::ERROR_NONE;
        }
        return $this->errorCode==self::ERROR_NONE;
    }

    /**
     * @return integer the ID of the user record
     */
    public function getId() {
        return $this->_id;
    }
}